Throw an error when useGetOne is called for an undefined resource

marmelab · Feb 19, 2020 · 3844196 · 3844196
1 parent 09785b9
commit 3844196
Showing 1 changed file with 8 additions and 4 deletions.
diff --git a/packages/ra-core/src/dataProvider/useGetOne.ts b/packages/ra-core/src/dataProvider/useGetOne.ts
@@ -39,10 +39,14 @@ const useGetOne = (
     useQueryWithStore(
         { type: 'getOne', resource, payload: { id } },
         options,
-        (state: ReduxState) =>
-            state.admin.resources[resource]
-                ? state.admin.resources[resource].data[id]
-                : null
+        (state: ReduxState) => {
+            if (!state.admin.resources[resource]) {
+                throw new Error(
+                    `No <Resource> defined for "${resource}". useGetOne() relies on the Redux store, so it cannot work if you don't include a <Resource>.`
+                );
+            }
+            return state.admin.resources[resource].data[id];
+        }
     );
 
 export type UseGetOneHookValue = {